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</head><body><div id="sidebar"><div id="menu-mask"></div><div id="sidebar-menus"><div class="avatar-img is-center"><img src="https://cdn.jsdelivr.net/gh/acmeist/CDN/www/img/avatar.png" onerror="onerror=null;src='https://cdn.jsdelivr.net/gh/acmeist/CDN/www/img/friend_404.gif'" alt="avatar"/></div><div class="sidebar-site-data site-data is-center"><a href="/archives/"><div class="headline">文章</div><div class="length-num">28</div></a><a href="/tags/"><div class="headline">标签</div><div class="length-num">21</div></a><a href="/categories/"><div class="headline">分类</div><div class="length-num">1</div></a></div><hr class="custom-hr"/><div class="menus_items"><div class="menus_item"><a class="site-page" href="/"><i class="fa-fw fas fa-home"></i><span> Home</span></a></div><div class="menus_item"><a class="site-page" href="/archives/"><i class="fa-fw fas fa-archive"></i><span> Archives</span></a></div><div class="menus_item"><a class="site-page" href="/tags/"><i class="fa-fw fas fa-tags"></i><span> Tags</span></a></div><div class="menus_item"><a class="site-page" href="/categories/"><i class="fa-fw fas fa-folder-open"></i><span> Categories</span></a></div><div class="menus_item"><a class="site-page" href="/link/"><i class="fa-fw fas fa-link"></i><span> Link</span></a></div><div class="menus_item"><a class="site-page" href="/about/"><i class="fa-fw fas fa-heart"></i><span> About</span></a></div></div></div></div><div class="post" id="body-wrap"><header class="post-bg" id="page-header" style="background-image: url('https://cdn.jsdelivr.net/gh/acmeist/CDN/logos/centos-logo-horizontal.jfif')"><nav id="nav"><span id="blog-info"><a href="/" title="AiKIKI"><span class="site-name">AiKIKI</span></a></span><div id="menus"><div class="menus_items"><div class="menus_item"><a class="site-page" href="/"><i class="fa-fw fas fa-home"></i><span> Home</span></a></div><div class="menus_item"><a class="site-page" href="/archives/"><i class="fa-fw fas fa-archive"></i><span> Archives</span></a></div><div class="menus_item"><a class="site-page" href="/tags/"><i class="fa-fw fas fa-tags"></i><span> Tags</span></a></div><div class="menus_item"><a class="site-page" href="/categories/"><i class="fa-fw fas fa-folder-open"></i><span> Categories</span></a></div><div class="menus_item"><a class="site-page" href="/link/"><i class="fa-fw fas fa-link"></i><span> Link</span></a></div><div class="menus_item"><a class="site-page" href="/about/"><i class="fa-fw fas fa-heart"></i><span> About</span></a></div></div><div id="toggle-menu"><a class="site-page" href="javascript:void(0);"><i class="fas fa-bars fa-fw"></i></a></div></div></nav><div id="post-info"><h1 class="post-title">CentOS 8 安装 Docker-CE</h1><div id="post-meta"><div class="meta-firstline"><span class="post-meta-date"><i class="far fa-calendar-alt fa-fw post-meta-icon"></i><span class="post-meta-label">发表于</span><time class="post-meta-date-created" datetime="2021-03-22T18:24:00.000Z" title="发表于 2021-03-23 02:24:00">2021-03-23</time><span class="post-meta-separator">|</span><i class="fas fa-history fa-fw post-meta-icon"></i><span class="post-meta-label">更新于</span><time class="post-meta-date-updated" datetime="2023-11-16T08:35:45.000Z" title="更新于 2023-11-16 16:35:45">2023-11-16</time></span><span class="post-meta-categories"><span class="post-meta-separator">|</span><i class="fas fa-inbox fa-fw post-meta-icon"></i><a class="post-meta-categories" href="/categories/Archives/">Archives</a></span></div><div class="meta-secondline"><span class="post-meta-separator">|</span><span class="post-meta-wordcount"><i class="far fa-file-word fa-fw post-meta-icon"></i><span class="post-meta-label">字数总计:</span><span class="word-count">919</span><span class="post-meta-separator">|</span><i class="far fa-clock fa-fw post-meta-icon"></i><span class="post-meta-label">阅读时长:</span><span>4分钟</span></span><span class="post-meta-separator">|</span><span class="post-meta-pv-cv" id="" data-flag-title="CentOS 8 安装 Docker-CE"><i class="far fa-eye fa-fw post-meta-icon"></i><span class="post-meta-label">阅读量:</span><span id="busuanzi_value_page_pv"><i class="fa-solid fa-spinner fa-spin"></i></span></span></div></div></div></header><main class="layout" id="content-inner"><div id="post"><article class="post-content" id="article-container"><p>CentOS 8 官方源 containerd.io 版本太低无法安装最新版 Docker-CE。</p>
<h1 id="一、CentOS-8-更换源为阿里云"><a href="#一、CentOS-8-更换源为阿里云" class="headerlink" title="一、CentOS 8 更换源为阿里云"></a>一、CentOS 8 更换源为阿里云</h1><p>安装 wget 和 curl 组件：</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">yum install wget -y</span><br><span class="line">yum install curl -y</span><br></pre></td></tr></table></figure>

<h2 id="1、备份原文件"><a href="#1、备份原文件" class="headerlink" title="1、备份原文件"></a>1、备份原文件</h2><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">mv</span> /etc/yum.repos.d/CentOS-Linux-BaseOS.repo /etc/yum.repos.d/CentOS-Linux-BaseOS.repo.backup</span><br><span class="line"><span class="built_in">mv</span> /etc/yum.repos.d/CentOS-Linux-PowerTools.repo /etc/yum.repos.d/CentOS-Linux-PowerTools.repo.backup</span><br><span class="line"><span class="built_in">mv</span> /etc/yum.repos.d/CentOS-Linux-Extras.repo /etc/yum.repos.d/CentOS-Linux-Extras.repo.backup</span><br><span class="line"><span class="built_in">mv</span> /etc/yum.repos.d/CentOS-Linux-Plus.repo /etc/yum.repos.d/CentOS-Linux-Plus.repo.backup</span><br><span class="line"><span class="built_in">mv</span> /etc/yum.repos.d/CentOS-Linux-AppStream.repo /etc/yum.repos.d/CentOS-Linux-AppStream.repo.backup</span><br></pre></td></tr></table></figure>

<p>以上文件都需要重新命名，因为阿里云源里<code>Centos-8.repo</code>包含了上述所有文件，如果按照传统手法只更改<code>CentOS-Linux-BaseOS.repo</code>这个文件 会出现以下错误提示</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line">Updating Subscription Management repositories.</span><br><span class="line">Unable to <span class="built_in">read</span> consumer identity</span><br><span class="line">This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.</span><br><span class="line">Repository AppStream is listed more than once <span class="keyword">in</span> the configuration</span><br><span class="line">Repository extras is listed more than once <span class="keyword">in</span> the configuration</span><br><span class="line">Repository PowerTools is listed more than once <span class="keyword">in</span> the configuration</span><br><span class="line">Repository centosplus is listed more than once <span class="keyword">in</span> the configuration</span><br></pre></td></tr></table></figure>

<h2 id="2、修改为阿里云"><a href="#2、修改为阿里云" class="headerlink" title="2、修改为阿里云"></a>2、修改为阿里云</h2><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">wget -O /etc/yum.repos.d/CentOS-Linux-BaseOS.repo http://mirrors.aliyun.com/repo/Centos-8.repo</span><br></pre></td></tr></table></figure>

<h2 id="3、运行-yum-makecache-生成缓存"><a href="#3、运行-yum-makecache-生成缓存" class="headerlink" title="3、运行 yum makecache 生成缓存"></a>3、运行 yum makecache 生成缓存</h2><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">yum clean all</span><br><span class="line">yum makecache</span><br></pre></td></tr></table></figure>

<h1 id="二、安装-Docker"><a href="#二、安装-Docker" class="headerlink" title="二、安装 Docker"></a>二、安装 Docker</h1><h2 id="1、修改-Docker-源为阿里云"><a href="#1、修改-Docker-源为阿里云" class="headerlink" title="1、修改 Docker 源为阿里云"></a>1、修改 Docker 源为阿里云</h2><p>Docker 源配置文件</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line">[root@centos ~]<span class="comment"># cat /etc/yum.repos.d/docker-ce.repo</span></span><br><span class="line">[docker-ce-stable]</span><br><span class="line">name=Docker CE Stable - <span class="variable">$basearch</span></span><br><span class="line">baseurl=https://mirrors.aliyun.com/docker-ce/linux/centos/7/<span class="variable">$basearch</span>/stable</span><br><span class="line">enabled=1</span><br><span class="line">gpgcheck=1</span><br><span class="line">gpgkey=https://mirrors.aliyun.com/docker-ce/linux/centos/gpg</span><br></pre></td></tr></table></figure>

<h2 id="2、安装-docker-ce"><a href="#2、安装-docker-ce" class="headerlink" title="2、安装 docker-ce"></a>2、安装 docker-ce</h2><p>默认安装：</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre></td><td class="code"><pre><span class="line">[root@centos /etc/yum.repos.d]<span class="comment"># yum install -y docker-ce</span></span><br><span class="line">上次元数据过期检查：0:02:30 前，执行于 2021年03月23日 星期二 10时56分16秒。</span><br><span class="line">错误：</span><br><span class="line"> 问题: package docker-ce-3:20.10.5-3.el7.x86_64 requires containerd.io &gt;= 1.4.1, but none of the providers can be installed</span><br><span class="line">  - cannot install the best candidate <span class="keyword">for</span> the job</span><br><span class="line">  - package containerd.io-1.4.3-3.1.el7.x86_64 is filtered out by modular filtering</span><br><span class="line">  - package containerd.io-1.4.3-3.2.el7.x86_64 is filtered out by modular filtering</span><br><span class="line">  - package containerd.io-1.4.4-3.1.el7.x86_64 is filtered out by modular filtering</span><br><span class="line">(尝试添加 <span class="string">&#x27;--skip-broken&#x27;</span> 来跳过无法安装的软件包 或 <span class="string">&#x27;--nobest&#x27;</span> 来不只使用最佳选择的软件包)</span><br></pre></td></tr></table></figure>

<p>centos 官方源的 containerd.io 版本太低，无法安装。<br>可以在 docker 官方源找到合适的版本，手动安装。</p>
<blockquote>
<p>Docker 官方源：<code>https://download.docker.com/linux/centos/</code><br>Docker 阿里云源：<code>https://mirrors.aliyun.com/docker-ce/linux/centos/</code></p>
</blockquote>
<p>从阿里云强制安装 containerd.io</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">yum install  --allowerasing -y https://mirrors.aliyun.com/docker-ce/linux/centos/8/x86_64/stable/Packages/containerd.io-1.4.4-3.1.el8.x86_64.rpm</span><br></pre></td></tr></table></figure>

<p>安装 docker-ce 并设置权限</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment"># 安装 Docker</span></span><br><span class="line">yum install -y docker-ce</span><br><span class="line"></span><br><span class="line"><span class="comment"># 启动Docker服务</span></span><br><span class="line">sudo systemctl start docker &amp;&amp; sudo systemctl status docker</span><br><span class="line"></span><br><span class="line"><span class="comment"># 设置开机自启动</span></span><br><span class="line">sudo systemctl <span class="built_in">enable</span> docker</span><br><span class="line"></span><br><span class="line"><span class="comment"># 建议添加普通用户至 Docker 组，并以普通用户运行 Docker。</span></span><br><span class="line">sudo usermod -aG docker <span class="variable">$USER</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 生效组用户变更配置</span></span><br><span class="line">newgrp docker</span><br></pre></td></tr></table></figure>

<h2 id="3、修改-docker-源"><a href="#3、修改-docker-源" class="headerlink" title="3、修改 docker 源"></a>3、修改 docker 源</h2><blockquote>
<p>配置文件路径为： &#x2F;etc&#x2F;docker&#x2F;daemon.json。<br>没有该文件的话，请先建一个。</p>
</blockquote>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">nano  /etc/docker/daemon.json</span><br></pre></td></tr></table></figure>

<p>配置文件内容：</p>
<figure class="highlight json"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br></pre></td><td class="code"><pre><span class="line"><span class="punctuation">&#123;</span></span><br><span class="line"> <span class="attr">&quot;registry-mirrors&quot;</span> <span class="punctuation">:</span> <span class="punctuation">[</span></span><br><span class="line">   <span class="string">&quot;https://mirror.ccs.tencentyun.com&quot;</span><span class="punctuation">,</span></span><br><span class="line">   <span class="string">&quot;http://registry.docker-cn.com&quot;</span><span class="punctuation">,</span></span><br><span class="line">   <span class="string">&quot;http://docker.mirrors.ustc.edu.cn&quot;</span><span class="punctuation">,</span></span><br><span class="line">   <span class="string">&quot;http://hub-mirror.c.163.com&quot;</span></span><br><span class="line"> <span class="punctuation">]</span><span class="punctuation">,</span></span><br><span class="line"> <span class="attr">&quot;insecure-registries&quot;</span> <span class="punctuation">:</span> <span class="punctuation">[</span></span><br><span class="line">   <span class="string">&quot;registry.docker-cn.com&quot;</span><span class="punctuation">,</span></span><br><span class="line">   <span class="string">&quot;docker.mirrors.ustc.edu.cn&quot;</span></span><br><span class="line"> <span class="punctuation">]</span><span class="punctuation">,</span></span><br><span class="line"> <span class="attr">&quot;debug&quot;</span> <span class="punctuation">:</span> <span class="literal"><span class="keyword">true</span></span><span class="punctuation">,</span></span><br><span class="line"> <span class="attr">&quot;experimental&quot;</span> <span class="punctuation">:</span> <span class="literal"><span class="keyword">true</span></span></span><br><span class="line"><span class="punctuation">&#125;</span></span><br></pre></td></tr></table></figure>

<p>建议使用阿里云，配置方式参见阿里云文档。</p>
<h2 id="4、安装-docker-compose"><a href="#4、安装-docker-compose" class="headerlink" title="4、安装 docker-compose"></a>4、安装 docker-compose</h2><p>运行命令：</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">curl -L <span class="string">&quot;https://github.com/docker/compose/releases/download/1.29.2/docker-compose-<span class="subst">$(uname -s)</span>-<span class="subst">$(uname -m)</span>&quot;</span> -o /usr/local/bin/docker-compose</span><br></pre></td></tr></table></figure>

<blockquote>
<p>docker-compose 不同版本的 yml 配置文件有差异。</p>
</blockquote>
<p>使用国内源：</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">curl -L https://get.daocloud.io/docker/compose/releases/download/1.29.2/docker-compose-`<span class="built_in">uname</span> -s`-`<span class="built_in">uname</span> -m` &gt; /usr/local/bin/docker-compose</span><br></pre></td></tr></table></figure>

<p>给 docker-compose 执行权限，运行命令：</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">chmod</span> +x /usr/local/bin/docker-compose</span><br></pre></td></tr></table></figure>

<p>安装检查：</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">docker-compose --version</span><br></pre></td></tr></table></figure>
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